• Today

    May 4

    84°Lo 59°

    Partly sunny and very warm

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      350 - High
  • Tue

    May 5

    82°Lo 58°

    A shower and t-storm around

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      350 - High
    more
  • Wed

    May 6

    68°Lo 49°

    Clouds break for sun; cooler

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      350 - High
    more
  • Thu

    May 7

    75°Lo 52°

    Sunny and pleasant

    Low ragweed pollen levels
    • Precip
      9%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      10%
    more
  • Fri

    May 8

    82°Lo 58°

    Sunny and very warm

    Ragweed Pollen Weather
    • Precip
      6%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      10%
    more
Next Previous
Hi 84° RealFeel® 86° Precipitation 4%

Day

N

E

S

W

  • SW 8 mph
  • Gusts: 21 mph

Partly sunny and very warm; excessive dry weather will result in a high fire threat

  • Max UV Index: 6 (High)
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 59° RealFeel® 58° Precipitation 11%

Night

N

E

S

W

  • SSW 7 mph
  • Gusts: 14 mph

Partly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 1%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Princeton Pollen Levels - May 4

  • Extreme
  • Very High
  • High
  • Moderate
  • Low
  • Grass

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    High

  • Mold

    Pollen

    Low

Temperature History - May 4

more Historical Weather Data >
  Today Normal Record 5/4/2014
High 84° 68° 89° (2001) 64°
Low 59° 47° 33° (1986) 51°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:55 AM with 14:02 of sunlight, then sets at 7:57 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:34 PM with 10:29 of moolight, then sets at 7:03 AM

Princeton Weather Report

Philly: June-like Warmth to Dominate This Week

May 4, 2015; 7:54 AM ET

While temperatures will briefly dip by Wednesday, this week will be dominated by summer warmth in the Philadelphia area. more >

Mon. Pollen

Mon. Dust & Dander

Mon. Wind Maps